org.apache.oozie.command.bundle
Class BundleKillXCommand

java.lang.Object
  extended by org.apache.oozie.command.XCommand<T>
      extended by org.apache.oozie.command.TransitionXCommand<Void>
          extended by org.apache.oozie.command.KillTransitionXCommand
              extended by org.apache.oozie.command.bundle.BundleKillXCommand
All Implemented Interfaces:
Callable<Void>, XCallable<Void>

public class BundleKillXCommand
extends KillTransitionXCommand


Field Summary
 
Fields inherited from class org.apache.oozie.command.TransitionXCommand
insertList, job, updateList
 
Fields inherited from class org.apache.oozie.command.XCommand
DEFAULT_LOCK_TIMEOUT, DEFAULT_REQUEUE_DELAY, dryrun, instrumentation, INSTRUMENTATION_GROUP, LOG, logInfo
 
Constructor Summary
BundleKillXCommand(String jobId)
           
 
Method Summary
 String getEntityKey()
          Return the entity key for the command.
 org.apache.oozie.client.Job getJob()
          Get the Job for the command.
protected  boolean isLockRequired()
          Indicate if the the command requires locking.
 void killChildren()
           
 void loadState()
          Load the necessary state to perform the precondition check and to execute the command.
 void notifyParent()
          This will be used to notify the parent about the status of that perticular job.
 void performWrites()
          This will be used to perform atomically all the writes within this command.
 void updateJob()
          Update the parent job.
protected  void verifyPrecondition()
          Verify the precondition for the command after a lock has been obtain, just before executing the command.
 
Methods inherited from class org.apache.oozie.command.KillTransitionXCommand
execute, transitToNext
 
Methods inherited from class org.apache.oozie.command.TransitionXCommand
setJob
 
Methods inherited from class org.apache.oozie.command.XCommand
call, eagerLoadState, eagerVerifyPrecondition, executeInterrupts, getCreatedTime, getInstrumentation, getKey, getLockTimeOut, getLog, getName, getPriority, getRequeueDelay, getType, inInterruptMode, isReQueueRequired, queue, queue, resetUsed, setInterruptMode
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BundleKillXCommand

public BundleKillXCommand(String jobId)
Method Detail

getEntityKey

public String getEntityKey()
Description copied from class: XCommand
Return the entity key for the command.

Specified by:
getEntityKey in interface XCallable<Void>
Specified by:
getEntityKey in class XCommand<Void>
Returns:
the entity key for the command.

isLockRequired

protected boolean isLockRequired()
Description copied from class: XCommand
Indicate if the the command requires locking.

Subclasses should override this method if they require locking.

Specified by:
isLockRequired in class XCommand<Void>
Returns:
true/false

loadState

public void loadState()
               throws CommandException
Description copied from class: XCommand
Load the necessary state to perform the precondition check and to execute the command.

Subclasses must implement this method and load the state needed to do the precondition check and execute the command.

Specified by:
loadState in class XCommand<Void>
Throws:
CommandException

verifyPrecondition

protected void verifyPrecondition()
                           throws CommandException,
                                  PreconditionException
Description copied from class: XCommand
Verify the precondition for the command after a lock has been obtain, just before executing the command.

Specified by:
verifyPrecondition in class XCommand<Void>
Throws:
CommandException - thrown if the precondition is not met.
PreconditionException

killChildren

public void killChildren()
                  throws CommandException
Specified by:
killChildren in class KillTransitionXCommand
Throws:
CommandException

notifyParent

public void notifyParent()
Description copied from class: TransitionXCommand
This will be used to notify the parent about the status of that perticular job.

Specified by:
notifyParent in class TransitionXCommand<Void>

getJob

public org.apache.oozie.client.Job getJob()
Description copied from class: TransitionXCommand
Get the Job for the command.

Overrides:
getJob in class TransitionXCommand<Void>
Returns:
the job

updateJob

public void updateJob()
Description copied from class: TransitionXCommand
Update the parent job.

Specified by:
updateJob in class TransitionXCommand<Void>

performWrites

public void performWrites()
                   throws CommandException
Description copied from class: TransitionXCommand
This will be used to perform atomically all the writes within this command.

Specified by:
performWrites in class TransitionXCommand<Void>
Throws:
CommandException


Copyright © 2012 Apache Software Foundation. All Rights Reserved.